President Donald Trump has showered praise on Fox News in the past–but now he appears to be turning on the network, especially in light of some of their anchors like Shep Smith being openly critical of the administration.

This weekend he lashed out at the network over some of its polls, calling them “phony.”

He tweeted, “Other good polls also in fifties, despite only Fake News, and then phony polls by A.P., CNN, NBC and, as always, Fox, who were WAY OFF on 2016 Election!”

Other good polls also in fifties, despite only Fake News, and then phony polls by A.P., CNN, NBC and, as always, Fox, who were WAY OFF on 2016 Election! https://t.co/DksmF8hTr7

In the past few weeks, the president has additionally doled out harsh words for commentators on the network including anchor Shep Smith, and commentators Juan Williams and Donna Brazile.

Smith went off on Trump for his comments on Jewish Americans. It didn’t take long for many Fox News viewers to go off on the anchor, accusing him of anti-Trump bias.

Earlier this month, the president called Juan Williams “pathetic” and “always nasty.” The president wrote in a tweet, “Juan Williams at @FoxNews is so pathetic, and yet when he met me in the Fox Building lobby, he couldn’t have been nicer as he asked me to take a picture of him and me for his family. Yet he is always nasty and wrong!”

During his appearance, Williams said that although most Americans want the president to confront China over unfair trade practices, “I think Trump’s brutish approach is the problem”:

It’s not just Democrats who say, ‘Hey, this guy is inartful.’ The Wall Street Journal” has said that — he then attacked The Wall Street Journal at a rally this week. But I think that what you see here is that Trump’s unpredictability, Dana, then risks global recession, and you can do that. I mean, clearly, unpredictability is something that really scares Wall Street, because it depresses the likelihood of capital investment, which is necessary for stock growth.

This isn’t the first time the president has tweeted about Williams. In July 2016, he wrote, “I was at @FoxNews and met Juan Williams in passing. He asked if he could have pictures taken with me,” he tweeted at the time. “I said fine. He then trashes on air!”